Updating trunk VERSION from 4370.0 to 4371.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=govind@chromium.org

Change-Id: I749eddc8530d60fa8730103bbc9821cbaf8f05ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2602667Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#839411}

chrome/VERSION

 MAJOR=89
 MINOR=0
-BUILD=4370
+BUILD=4371
 PATCH=0